{"product_id":"mhca-120","title":"Square D MHCA-120 - 20A, 2-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D MHCA-120, a 20A, 2-Pole Circuit Breaker engineered for dependable overcurrent protection in demanding electrical environments. Built to perform in panelboards, switchboards, and control panels, this breaker delivers confident protection where consistent operation matters most.\u003c\/p\u003e \u003cp\u003eDesigned for industrial, commercial, and OEM applications, the MHCA-120 is purpose-built to safeguard vulnerable circuits and connected equipment. Its two-pole design ensures simultaneous interruption of both conductors, enhancing safety and reducing the risk of arc faults in AC systems. When peak reliability is non-negotiable, this Square D solution stands up to the challenges of busy distribution panels and motor control centers.\u003c\/p\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 20A rating\u003c\/strong\u003e provides targeted protection for branch circuits and connected loads without over-tripping essential equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-Pole configuration\u003c\/strong\u003e enables simultaneous disconnect of both conductors, improving safety for multi-wire circuits and motor control applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e suited for panelboards, switchboards, and control panels across industrial, commercial, and OEM settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e designed to maintain reliable performance in the demanding environments where distribution panels and MCCs live.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStraightforward maintenance\u003c\/strong\u003e with a clear, industry-standard form factor that aligns with established enclosures and wiring practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection in panelboards and switchboards for light to moderate load circuits.\u003c\/li\u003e \u003cli\u003eMotor control center (MCC) protection where reliable tripping and safe shutdown are crucial.\u003c\/li\u003e \u003cli\u003eOEM equipment builds requiring a compact, two-pole breaker with a proven safety profile.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the MHCA-120 in your electrical system\u003c\/h3\u003e\n\u003cp\u003eWhat sets this breaker apart is its focused, purpose-built design for real-world protection needs. It doesn’t rely on generic terminology—it delivers concrete, reusable protection for critical circuits in environments where downtime isn’t an option. The MHCA-120 complements Square D panelboards and control architecture, offering a consistent trip performance profile you can depend on across installations and revisions.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, switchboards, and control panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Industrial, commercial, and OEM applications requiring dependable overcurrent protection in distribution panels and motor control centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen selecting protection for demanding electrical systems, the Square D MHCA-120 20A 2-Pole Circuit Breaker offers a practical, proven solution for safe, reliable operation. Install it where you need clean, predictable protection that holds up under real-world use, and rest easy knowing critical circuits stay protected and controllable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390962684066,"sku":"MHCA-120","price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_87e289d0-b432-4966-99b6-085622e915fe.png?v=1765381244","url":"https:\/\/www.ampstate.com\/products\/mhca-120","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}